linux-kernel - [PATCH 1/2] powerpc/fpu: Drop cvt_fd() and cvt

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Thu,  6 Aug 2020 12:20:34 +0000 (UTC)
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org
Subject: [PATCH 1/2] powerpc/fpu: Drop cvt_fd() and cvt_df()

Those two functions have been unused since commit identified below.
Drop them.

Fixes: 31bfdb036f12 ("powerpc: Use instruction emulation infrastructure to handle alignment faults")
Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 arch/powerpc/include/asm/processor.h |  2 --
 arch/powerpc/kernel/fpu.S            | 15 ---------------
 2 files changed, 17 deletions(-)

diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index 5c20b6d509ae..9ebcb2f095db 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -425,8 +425,6 @@ extern void flush_instruction_cache(void);
 extern void hard_reset_now(void);
 extern void poweroff_now(void);
 extern int fix_alignment(struct pt_regs *);
-extern void cvt_fd(float *from, double *to);
-extern void cvt_df(double *from, float *to);
 extern void _nmask_and_or_msr(unsigned long nmask, unsigned long or_val);
 
 #ifdef CONFIG_PPC64
diff --git a/arch/powerpc/kernel/fpu.S b/arch/powerpc/kernel/fpu.S
index 4ae39db70044..825893d4cb59 100644
--- a/arch/powerpc/kernel/fpu.S
+++ b/arch/powerpc/kernel/fpu.S
@@ -134,18 +134,3 @@ _GLOBAL(save_fpu)
 	mffs	fr0
 	stfd	fr0,FPSTATE_FPSCR(r6)
 	blr
-
-/*
- * These are used in the alignment trap handler when emulating
- * single-precision loads and stores.
- */
-
-_GLOBAL(cvt_fd)
-	lfs	0,0(r3)
-	stfd	0,0(r4)
-	blr
-
-_GLOBAL(cvt_df)
-	lfd	0,0(r3)
-	stfs	0,0(r4)
-	blr
-- 
2.25.0